Contracting authority: Ministry of Development

Maintenance work on the A-4 motorway, Puerto Lápice-Venta Cárdenas section (Ciudad Real), covers 107 kilometres, with a dual carriageway and 121 structures. The maintenance service provided by Conacon Sando includes the revision and reconstruction of stretches and signalling, constant maintenance of weeding, removal of landslides, and cleaning of ditches, counter-ditches, channels, culverts, collectors, manholes and sub-drains.

The maintenance service for the A-4 motorway, Puerto Lápice-Venta Cárdenas section, also involves carrying out special control works, road surface and shoulders, supports and expansion joints on bridges, pavements and medians, drains, abutments, piers, columns and eaves, buttons, fenders and safety barriers, installations, crack sealing, patching, painting of posts and parapets, among others.